<html><head><style type='text/css'>p { margin: 0; }</style></head><body><div style='font-family: arial,helvetica,sans-serif; font-size: 10pt; color: #000000'>SLAs are irrelevant to customer perception, only to bean counters.<br><br>Few to no residential-class services have an SLA whatsoever, yet they'll be the most demanding at any perceived slight.<div><br></div><div>Stand by your SLA all you want, but if a customer's expectations (realistic or not) aren't met, they'll not only leave, but they'll tell everyone else how terrible you are.</div><div><br></div><div>From a sales perspective, if you can demonstrate that a competitor network cannot do something and that you can with tooling a layperson understands and trusts, you've made big progress.</div><div><br></div><div>I've visited friends and employees homes and found that while plugged in, a streaming service could not send a single stream at full resolution without buffering. It would be nice to show numbers (not just a feeling) that the other service could only deliver X megabit, while your service could deliver Y megabit.</div><div><br><div><span name="x"></span><br style="color:rgb( 0 , 0 , 0 );font-family:'times new roman';font-size:medium;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px"><br style="color:rgb( 0 , 0 , 0 );font-family:'times new roman';font-size:medium;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px"><span style="color:rgb( 0 , 0 , 0 );font-family:'times new roman';font-size:medium;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;display:inline !important;float:none">-----</span><br style="color:rgb( 0 , 0 , 0 );font-family:'times new roman';font-size:medium;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px"><span style="color:rgb( 0 , 0 , 0 );font-family:'times new roman';font-size:medium;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;display:inline !important;float:none">Mike Hammett</span><br style="color:rgb( 0 , 0 , 0 );font-family:'times new roman';font-size:medium;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px"><a href="http://www.ics-il.com/" style="font-family:'times new 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noopener noreferrer"><img src="http://www.ics-il.com/images/youtubeicon.png" style="border:0pt none"></a><span name="x"></span><br></div><hr id="zwchr"><div style="color:#000;font-weight:normal;font-style:normal;text-decoration:none;font-family:Helvetica,Arial,sans-serif;font-size:12pt;"><b>From: </b>"Jared Mauch" <jared@puck.nether.net><br><b>To: </b>"Mike Hammett" <nanog@ics-il.net><br><b>Cc: </b>"Tom Beecher" <beecher@beecher.cc>, "NANOG" <nanog@nanog.org><br><b>Sent: </b>Tuesday, January 3, 2023 9:46:16 AM<br><b>Subject: </b>Re: Google Speed Test<br><br>On Tue, Jan 03, 2023 at 09:31:27AM -0600, Mike Hammett wrote:<br>> Is there enough available capacity for {insert whatever the customer is trying to do here}. <br>> <br>> Can they run 4 YouTubeTV streams or can they run 20? <br>> Can they download a file at 5 megabits/s or 15 gigabits/s? <br>> <br>> <br>> There's not a problem to be solved, but information of a variety of types to be gleaned for a variety of purposes. <br><br> Most SLAs only cover on-net services, I recommend having a good<br>on-net server for testing purposes and knowing your immediate upstream<br>and peer upstreams test points. I do recommend that most carriers have<br>an iperf3/iperf2 test point. You may find your carriers have one as<br>well, even if it's not listed in their support pages. <br><br> I've found this useful when you suspect some problem, including<br>a link hashing problem that only impacts a few flows.<br><br> - jared<br><br>-- <br>Jared Mauch | pgp key available via finger from jared@puck.nether.net<br>clue++; | http://puck.nether.net/~jared/ My statements are only mine.<br></div><br></div></div></body></html>